<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Application
 * @subpackage Resource
 * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: Navigation.php 24114 2011-06-04 01:51:02Z freak $
 */

/**
 * @see Zend_Application_Resource_ResourceAbstract
 */
require_once 'Zend/Application/Resource/ResourceAbstract.php';

/**
 * Resource for setting navigation structure
 *
 * @uses       Zend_Application_Resource_ResourceAbstract
 * @category   Zend
 * @package    Zend_Application
 * @subpackage Resource
 * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
 * @author     Dolf Schimmel
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Application_Resource_Navigation extends Zend_Application_Resource_ResourceAbstract {
	const DEFAULT_REGISTRY_KEY = 'Zend_Navigation';
	
	/**
	 * @var Zend_Navigation
	 */
	protected $_container;
	
	/**
	 * Defined by Zend_Application_Resource_Resource
	 *
	 * @return Zend_Navigation
	 */
	public function init() {
		if (! $this->_container) {
			$options = $this->getOptions ();
			
			if (isset ( $options ['defaultPageType'] )) {
				Zend_Navigation_Page::setDefaultPageType ( $options ['defaultPageType'] );
			}
			
			$pages = isset ( $options ['pages'] ) ? $options ['pages'] : array ();
			$this->_container = new Zend_Navigation ( $pages );
		}
		
		$this->store ();
		return $this->_container;
	}
	
	/**
	 * Stores navigation container in registry or Navigation view helper
	 *
	 * @return void
	 */
	public function store() {
		$options = $this->getOptions ();
		if (isset ( $options ['storage'] ['registry'] ) && $options ['storage'] ['registry'] == true) {
			$this->_storeRegistry ();
		} else {
			$this->_storeHelper ();
		}
	}
	
	/**
	 * Stores navigation container in the registry
	 *
	 * @return void
	 */
	protected function _storeRegistry() {
		$options = $this->getOptions ();
		if (isset ( $options ['storage'] ['registry'] ['key'] ) && ! is_numeric ( $options ['storage'] ['registry'] ['key'] )) // see ZF-7461
{
			$key = $options ['storage'] ['registry'] ['key'];
		} else {
			$key = self::DEFAULT_REGISTRY_KEY;
		}
		
		Zend_Registry::set ( $key, $this->getContainer () );
	}
	
	/**
	 * Stores navigation container in the Navigation helper
	 *
	 * @return void
	 */
	protected function _storeHelper() {
		$this->getBootstrap ()->bootstrap ( 'view' );
		$view = $this->getBootstrap ()->view;
		$view->getHelper ( 'navigation' )->navigation ( $this->getContainer () );
	}
	
	/**
	 * Returns navigation container
	 *
	 * @return Zend_Navigation
	 */
	public function getContainer() {
		return $this->_container;
	}
}
